/Engine/Plugins/Runtime/GameplayInteractions/Source/GameplayInteractionsModule/Public/GameplayInteractionsTypes.h
Data added to a Smart Object slot when interaction is started on it. Allows to look up the user.
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FGameplayInteractionSlotUserData : public [FSmartObjectSlotStateData](API\Plugins\SmartObjectsModule\FSmartObjectSlotStateData)
TWeakObjectPtr<...
UserActor